Integrated Circuits (ICs)

L99LD21Q6

Obsolete

STMicroelectronics

HIGH POWER LED DRIVER FOR AUTOMO

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Search across all available documentation for this part.

DocumentsDatasheet

Integrated Circuits (ICs)

L99LD21Q6

Obsolete

STMicroelectronics

HIGH POWER LED DRIVER FOR AUTOMO

Deep-Dive with AI

DocumentsDatasheet

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	L99LD21Q6

Applications	Lighting
Current - Output / Channel	1.5 A
Dimming	PWM, SPI
Frequency [Max]	450 kHz
Frequency [Min]	100 kHz
Grade	Automotive
Internal Switch(s)	True
Mounting Type	Surface Mount
Number of Outputs	2
Operating Temperature [Max]	150 °C
Operating Temperature [Min]	-40 °C
Package / Case	40-TFQFN Exposed Pad
Qualification	AEC-Q100
Supplier Device Package	40-QFN (6x6)
Topology	Step-Up (Boost), Step-Down (Buck)
Type	DC DC Regulator
Voltage - Output	50 V
Voltage - Supply (Min) [Min]	5.5 V

L99LD21 Series

Led Driver DISCOVERY

Part	Utilized IC / Part	Platform	Function	Contents	Type	Voltage - Supply (Min) [Min]	Qualification	Topology	Grade	Mounting Type	Voltage - Output	Operating Temperature [Min]	Operating Temperature [Max]	Supplier Device Package	Applications	Frequency [Max]	Frequency [Min]	Current - Output / Channel	Dimming	Package / Case	Number of Outputs	Voltage - Supply (Max) [Max]
STMicroelectronics L99LD21-ADIS	L99LD21	SPC560B-DIS	LED Driver	Board(s)	Power Management
STMicroelectronics L99LD21Q6					DC DC Regulator	5.5 V	AEC-Q100	Step-Down (Buck) Step-Up (Boost)	Automotive	Surface Mount	50 V	-40 °C	150 °C	40-QFN (6x6)	Lighting	450 kHz	100 kHz	1.5 A	PWM SPI	40-TFQFN Exposed Pad	2
STMicroelectronics L99LD21Q6TR					DC DC Regulator	5.5 V	AEC-Q100	Boost Buck	Automotive	Surface Mount	50 V	-40 °C	150 °C	40-QFN (6x6)	Lighting	450 kHz	100 kHz	1.5 A	PWM	40-TFQFN Exposed Pad	2	24 V

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	N/A	0	$ 0.00

Description

General part information

L99LD21 Series

The L99LD21-ADIS discovery board enables you to drive four independent high brightness LED strings for automotive front lighting applications by connecting it to the SPC560B-DIS discovery board, application firmware examples and GUI are available.

Documents

Technical documentation and resources